2000-12-16-12 Trisomy 13 at 11 weeks © Boujemaa www.thefetus.net/
Trisomy 13 at 11 weeks
Boujemaa Oueslati , MD
Ben Ammar Kais, Tunis
This fetus was first scanned at 11 weeks and 4 days. A large nuchal lucency is identified as well as alobar holoprosencephaly, hypotelorism with fused orbits a proboscis and relative tachycardia (see the textbook of Rosalyn Snijder and Kypros Nicolaides for a graph of cardiac frequencies and chromosomal anomalies).
The large nuchal lucency (5 mm).
The alobar holoprosencephaly
Proboscis (pictures 1 & 2 ) and "flat" profile (picture 3 below)
Relative tachycardia at 200bpm (max = 180bpm)
The fetus after delivery
Cyclopia and proboscis